<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
<!-- 卡片 -->
    <el-card>
      <el-row :gutter="20">
          <el-col :span="7">
              <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                  <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
              </el-input> 
          </el-col>
          <el-col :span="4">
              <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
          </el-col>
      </el-row> 

      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button type="primary" icon="el-icon-edit" size='mini' @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除 -->
            <el-button type="danger" icon="el-icon-delete" size='mini' @click="removeUserById(scope.row.id)"></el-button>
            <!-- 分配角色 -->
            <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" size='mini' @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template> 
        </el-table-column>
      </el-table>

       <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>

    </el-card>
<!-- 添加用户对话框用户 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%" @close="addDialogClosed">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" 
      label-width="70px">
        <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" 
      label-width="70px">
        <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>


    <!-- 分配角色的对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%" 
         @close="setRoleDialogClosed">
        <!-- 树形控件 -->
        <div>
          <p>当前的用户:{{userInfo.username}}</p>
          <p>当前的用户:{{userInfo.role_name}}</p>
          <p>分配新角色:
            <el-select v-model="selestedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>
  </div>
</template>



<script>


  export default {
    data(){
      var checkEmail = (rule, value, cb) => {
          const regEmail = /^\w+@\w+(\.\w+)+$/
          if (regEmail.test(value)) {
            return cb()
          }
          //返回一个错误提示
          cb(new Error('请输入合法的邮箱'))
        }
        //验证手机号码的规则
        var checkMobile = (rule, value, cb) => {
          const regMobile = /^1[34578]\d{9}$/
          if (regMobile.test(value)) {
            return cb()
          }
          //返回一个错误提示
          cb(new Error('请输入合法的手机号码'))
        }
      return{
        queryInfo:{
          query:'',
          pagenum:1,
          pagesize:2
        },
        userList:[],
        total:0,
         //是否显示添加用户弹出窗
        addDialogVisible: false,
        // 添加用户的表单数据
        addForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
        },
        // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            { validator:checkEmail, message: '邮箱格式不正确，请重新输入', trigger: 'blur'}
        ],
        mobile: [
            { required: true, message: '请输入手机号码', trigger: 'blur' },
            { validator:checkMobile, message: '手机号码不正确，请重新输入', trigger: 'blur'}
        ]
        },
        editForm:{},
        editDialogVisible:false,
        //修改用户的表单数据
        editForm: {
            // username: '',
            // email: '',
            // mobile: ''
        },
        //修改表单的验证规则对象
        editFormRules: {
            email: [
                { required: true, message: '请输入邮箱', trigger: 'blur' },
                {
                validator: checkEmail,
                message: '邮箱格式不正确，请重新输入',
                trigger: 'blur'
                }
            ],
            mobile: [
                { required: true, message: '请输入手机号码', trigger: 'blur' },
                {
                validator: checkMobile,
                message: '手机号码不正确，请重新输入',
                trigger: 'blur'
                }
            ]
        },
        setRoleDialogVisible:false,
        userInfo:{},
        rolesList:[],
        selestedRoleId:'',
      }
      
    
  },
  created() {
    this.getUserList()
  },
  methods:{
    async getUserList(){
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if(res.meta.status !== 200) {
        return this.$message.error('获取用户信息失败')
      }
       this.userList = res.data.users;
       this.total = res.data.total;
    },
    handleSizeChange(NewSize){
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(NewPage){
      this.queryInfo.pagenum = NewPage
      this.getUserList()

    },
    async userStateChanged(row) {
      //发送请求进行状态修改
      const { data: res } = await this.$http.put(
        `users/${row.id}/state/${row.mg_state}`
      )
      //如果返回状态为异常状态则报错并返回
      if (res.meta.status !== 200) {
        row.mg_state = !row.mg_state
        return this.$message.error('修改状态失败')
      }
      this.$message.success('更新状态成功')
    },
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    addUser(){
      this.$refs.addFormRef.validate( async valid => {
          if(!valid) return this.$message.error("请填写完整用户信息");
          //发送请求完成添加用户的操作
          const {data:res} = await this.$http.post("users",this.addForm)
          //判断如果添加失败，就做提示
          if (res.meta.status !== 201){
              this.$message.error('添加用户失败')
              }
          //添加成功的提示
          this.$message.success("添加用户成功")
          //关闭对话框
          this.addDialogVisible = false
          //重新请求最新的数据
          this.getUserList()
      })
    },
    async showEditDialog(id){
      const {data:res} = await this.$http.get('users/' + id)
      if(res.meta.status !== 200) {
        return this.$message.error('查询用户失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo(){
        this.$refs.editFormRef.validate( async valid=>{
        if(!valid) return
        const {data:res} = await this.$http.put('users/' + this.editForm.id,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        })
        //判断如果修改失败，就做提示
        if (res.meta.status !== 200) return this.$message.error('修改用户失败')
        //修改成功的提示
        this.editDialogVisible=false;
        this.getUserList()
        this.$message.success('修改用户成功')
      })
    },
    async removeUserById(id){
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>{
          return err
        })
        if(confirmResult !== 'confirm') {
          return this.$message.info('已经取消删除')
        }
        //发送请求根据id完成删除操作
        const {data:res} = await this.$http.delete('users/'+id)
        //判断如果删除失败，就做提示
        if (res.meta.status !== 200) return this.$message.error('删除用户失败')
        //修改成功的提示
        this.$message.success('删除用户成功')
        //重新请求最新的数据
        this.getUserList()
    },
    async setRole(userInfo){
      this.userInfo = userInfo;
      const {data:res} = await this.$http.get('roles')
      if(res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data;
      this.setRoleDialogVisible=true
    },
    async saveRoleInfo(){
      if(!this.selestedRoleId) {
        return this.$message.error('请选择角色');
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid: this.selestedRoleId
      })
      if(res.meta.status !== 200) {
        return this.$message.error('跟新角色失败!')
      }
      this.$message.success('更新角色成功');
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed(){
      this.selestedRoleId = ''
      this.userInfo = {}
    },
  }
  }
</script>

<style lang="less" scoped>

</style>
